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A171614 Numbers n with property that (n^2 + sum of the digits of n^2) is even. 2
0, 1, 2, 3, 5, 7, 8, 9, 14, 15, 17, 20, 21, 22, 24, 25, 29, 36, 37, 39, 42, 45, 46, 47, 49, 51, 53, 54, 58, 61, 63, 65, 66, 67, 68, 72, 73, 74, 77, 78, 79, 80, 83, 84, 87, 88, 89, 91, 92, 93, 96, 104, 105, 107, 108, 109, 110, 111, 112, 113, 115, 117, 119, 124, 125, 127, 128 (list; graph; refs; listen; history; text; internal format)
OFFSET

1,3

COMMENTS

Or, n's such that A171613(n) is even.

LINKS

Table of n, a(n) for n=1..67.

MATHEMATICA

Union@Table[If[EvenQ[n^2+Total[IntegerDigits[n^2]]], n, 0], {n, 0, 200}]

Select[Range[0, 200], EvenQ[#^2+Total[IntegerDigits[#^2]]]&] (* Harvey P. Dale, Apr 01 2019 *)

CROSSREFS

Cf. A062028, A171613, A171615.

Sequence in context: A108345 A073629 A125716 * A029601 A290985 A182758

Adjacent sequences:  A171611 A171612 A171613 * A171615 A171616 A171617

KEYWORD

base,nonn

AUTHOR

Zak Seidov, Dec 13 2009

STATUS

approved

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Last modified April 24 00:02 EDT 2019. Contains 322404 sequences. (Running on oeis4.)